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Optical film and display device having the same

a technology of optical film and display device, which is applied in the direction of optical elements, lighting and heating apparatus, instruments, etc., can solve the problems of wet-out phenomenon and damage to optical film

Active Publication Date: 2011-02-08
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This configuration effectively reduces or eliminates the wet-out phenomenon and moiré effects, enhancing the picture quality and durability of the LCD by preventing visual defects and maintaining luminance uniformity.

Problems solved by technology

However, when the prism configuration parts 110 of the related art prism sheet 100 contact with a smooth surface of a different optical film, a wet-out phenomenon occurs, damaging the optical film.

Method used

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  • Optical film and display device having the same
  • Optical film and display device having the same
  • Optical film and display device having the same

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Embodiment Construction

[0033]Reference will now be made in detail embodiments of the invention examples of which are illustrated in the accompanying drawings.

[0034]The detailed exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0035]As the display device according to one exemplary embodiment of the present invention, a liquid crystal display (LCD), a plasma display panel (PDP), an organic light emitting display (OLED), and the like may be applicable, and the LCD will be taken as an example in the below description for the sake of explanation. In this respect, however, the display device according to the exemplary embodiment of the present invention is not limited to the LCD.

[0036]FIG. 2 is a perspective view showing a liquid crystal display according to one exemplary embodiment to which this document is applied, and FIG. 3 is a sectional view showing a liquid crystal panel in FIG. 2.

[0037]With reference to FIGS. 2 and 3, the LCD 200 comprises ...

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PUM

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Abstract

An optical film and a display device having the same are disclosed. The display device comprises a display panel including a plurality of subpixels and an optical film disposed at one side of the display panel, the optical film includes a base film and a plurality of prisms, wherein a bias angle between a long axis direction of the subpixels and a longitudinal direction of the prisms is substantially 2 to 88 degrees.

Description

[0001]This application claims the benefit of Korean Patent Application Nos. 10-2007-0026168 and 10-2007-0026201 filed on Mar. 16, 2007, which is hereby incorporated by reference.BACKGROUND[0002]1. Field of the Disclosure[0003]This document relates to an optical film and a display device having the same.[0004]2. Description of the Background Art[0005]A liquid crystal display (LCD) is an electronic device that changes various electrical information generated from various elements to visual information by using a change in a liquid crystal transmission and transfers it.[0006]The general LCD comprises a liquid crystal panel that displays an image according to a drive signal and a data signal applied from an external source and a backlight unit disposed on a rear surface of the liquid crystal panel in order to illuminate the liquid crystal panel.[0007]The backlight unit comprises a light source unit, a reflection sheet, and an optical film.[0008]The light source generates light of a cert...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): F21V7/04
CPCG02B5/045G02B6/0038G02F1/133615G02F1/1335G02B5/04
Inventor JOO, HANBITTLEE, KWANGWON
Owner LG CHEM LTD